const fun

template <typename T>
const T& max(const T& x, const T& y)
{
    return x >= y ? x : y;
}

const char* const& max(const char* const& x, const char* const& y)
{
    return strcmp(x,y) < 0 ? x : y;
}



int main()
{
    int a = 10;
    int b = 20;

    const char* foo = "abc";
    const char* bar = "xyz";

    printf("%d\n",max(a,b));
    printf("%s\n",max(foo,bar));

    return 0;
}